Guide: Stamp 68 - Opened millionaire Keitel's safe!
How to get Stamp 68
Go to Keital's house in White Mountain.
His house is by the Frozen Lake to the left of the tunnel entrance.
He'll ask you to solve a puzzle.
Hint: Go to his son's houses.
Look at the paintings on the walls and count the number of fish on each one for the answer.
8 3 6 1